Two years after Hong Kong’s securities regulator vowed to nip irregularities in the bud, flash crashes are still plaguing the world’s fourth-largest stock market. This year’s wave rivals the notorious “Enigma Network” that prompted the last bout of regulatory hand-wringing in 2017. In mid-January, Chinese real estate developer Jiayuan International Group Ltd. plunged without warning, triggering a $4.8 billion selloff ...

If there was ever a time for Japan and South Korea to engage in a supply-chain spat, this isn’t it. Last week, Japan moved to restrict exports of materials used to make semiconductors and smartphone screens to its North Asian neighbour, citing grievances between the two countries dating back seven decades. The curbs threaten the flow of components that feeds ...

Softbank Group Corp.’s Vision Fund has invested its $100 billion cash pile in 75 unicorns around the world. Not a single one is from Japan, its own backyard. That may be because the pickings are slim: While the US has 179 unicorns, China 93, and India 18, Japan has just two, according to CB Insights. How can a country that ...